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Twice a number, minus a second number is -1. Twice the second number is 9. Find the two numbers.

a) 7 and 15.
b) 1 and 15
c) 3 and 7
d) 1 and 3
e) 3 and 15

PLEASE SHOW YOUR WORK. PLEASE!!!!

User Limekin
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1 Answer

6 votes
Happy to help you.

The answer is C, 3 and 7.

When we take 3*2, we get 6. Then, when we take 6-7, we get -1.

Hope this helps!
User Luke Ehresman
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8.0k points